2. Questions Bank
  3. 8th Class
  4. Science
  5. Materials : Metals and Non-metals

8th Class Science Materials : Metals and Non-metals Question Bank Metals and Non Metals Summative Objective Problems

  • question_answer
    The correct decreasing order of the reactivity of different metals is :

    A)  \[K>Na>Mg>Ca>Al>Zn\]

    B)  \[K>Na>Ca>Mg>Al>Zn\]

    C)  \[K>Na>Ca>Mg>Zn>Al\]

    D)  \[K>Na>Mg>Ca>Zn>Al\]

    Correct Answer: B

    Solution :

      Not Available


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